Home / 648,022.29-894,228.86-357,636.45

Finding the Fourth Proportional to 648,022.29, 894,228.86 and 357,636.45

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Solution

The fourth proportional to 648,022.29, 894,228.86 and 357,636.45 is: 493,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,022.29 : 894,228.86 = 357,636.45 : x
  2. Step 2: Convert to fraction form
    648,022.29/894,228.86 = 357,636.45/x
  3. Step 3: Cross multiply
    648,022.29x = 894,228.86 × 357,636.45
  4. Step 4: Simplify right side
    648,022.29x = 319,808,833,189.77
  5. Step 5: Solve for x
    x = 319,808,833,189.77/648,022.29
  6. Step 6: Final answer
    x = 493,515.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.